Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Fenoxaprop-ethyl
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
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66441-23-4

66441-23-4 structure

Name: fenoxaprop-ethyl
Chemical Name: fenoxaprop-ethyl
CAS Number: 66441-23-4
Molecular Formula: C₁₈H₁₆ClNO₅
Molecular Weight: 361.77600
Catalog: Chemical pesticide herbicide Other herbicides
Create Date: 2018-05-26 08:00:00
Modify Date: 2025-08-20 09:26:58

Name	fenoxaprop-ethyl
Synonyms	Ethyl 2-{4-[(6-chlorobenzoxazol-2-yl)oxy]phenoxy}propionate ethyl (RS)-2-[4-(6-chloro-1,3-benzoxazol-2-yloxy)phenoxy]propionate ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoate EINECS 266-362-9 MFCD00078610 rac-ethyl (2R)-2-{4-[(6-chloro-1,3-benzoxazol-2-yl)oxy]phenoxy}propanoate ethyl (RS)-2-[4-(6-chlorobenzoxazol-2-yloxy)phenoxy]propionate Fenoxaprop-ethyl

Density	1.31g/cm3
Boiling Point	477.5ºC at 760mmHg
Melting Point	84-85ºC
Molecular Formula	C₁₈H₁₆ClNO₅
Molecular Weight	361.77600
Flash Point	242.6ºC
Exact Mass	361.07200
PSA	70.79000
LogP	4.60390
Index of Refraction	1.587
Storage condition	-20°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UA2454000

CHEMICAL NAME :: Propanoic acid, 2-(4-((6-chloro-2-benzoxazolyl)oxy)phenoxy)-, ethyl ester, (+-)-

CAS REGISTRY NUMBER :: 66441-23-4

LAST UPDATED :: 199710

DATA ITEMS CITED :: 11

MOLECULAR FORMULA :: C18-H16-Cl-N-O5

MOLECULAR WEIGHT :: 361.80

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2357 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,373,1991

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >510 mg/m3

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S17,1992

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,373,1991

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 739 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 85KYAH "Merck Index; an Encyclopedia of Chemicals, Drugs, and Biologicals", 11th ed., Rahway, NJ 07065, Merck & Co., Inc. 1989 Volume(issue)/page/year: 11,625,1989

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 4670 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,373,1991

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: >1 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PBCWDF Proceedings of the British Crop Protection Conference - Weeds. (British Crop Protection Council, 2A Kidderminster Rd., Croydon, CRO 2UE, UK) 1976- Volume(issue)/page/year: -,11,1982

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >2 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C136,1991

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 511 mg/m3/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C136,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 605 mg/kg/32D-C

TOXIC EFFECTS :: Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases Biochemical - Metabolism (Intermediary) - lipids including transport

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S17,1992

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1210 mg/kg/32D-C

TOXIC EFFECTS :: Liver - hepatitis (hepatocellular necrosis), diffuse Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

REFERENCE :: NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 17,S17,1992

Symbol	GHS07, GHS09
Signal Word	Warning
Hazard Statements	H317-H410
Precautionary Statements	P273-P280-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xi,N
Risk Phrases	R43;R50/53
Safety Phrases	S24;S37;S60;S61
RIDADR	UN 3077 9/PG 3
RTECS	UA2454000
HS Code	2934999023

3621-82-7

64-17-5

94050-90-5

~85%

66441-23-4

Literature: Kalhor, Mehdi; Dadras, Akbar; Mobinikhaledi, Akbar; Tajik, Hassan Journal of the Chilean Chemical Society, 2011 , vol. 56, # 4 p. 833 - 836

70217-01-5

83261-05-6

~88%

66441-23-4

Literature: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY Patent: WO2004/2925 A2, 2004 ; Location in patent: Page 12 ;

70217-01-5

63696-99-1

~86%

66441-23-4

Literature: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY Patent: WO2004/2925 A2, 2004 ; Location in patent: Page 12 ;

3621-82-7

71301-98-9

~62%

66441-23-4

Literature: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY Patent: WO2004/2925 A2, 2004 ; Location in patent: Page 19 ;

70217-01-5

57057-80-4

~91%

66441-23-4

Literature: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY Patent: WO2004/2925 A2, 2004 ; Location in patent: Page 11 ;

Precursor 8
70217-01-5 57057-80-4 3621-82-7 64-17-5
94050-90-5 83261-05-6 63696-99-1 71301-98-9
DownStream 10
70217-01-5 66441-21-2 59-49-4 19932-84-4
78213-03-3 1051401-34-3 1051401-33-2 123-31-9
65343-67-1 71301-98-9

HS Code	2934999023
Summary	2934999023 2,8,9-trioxa-5-aza-1-silabicyclo[3.3.3]undecane。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

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